高中数学代数与函数一函数练习题86
题目内容

已知函数 http://picflow.koolearn.com/upload/papers/20140823/20140823143649384770.gif,则下面结论错误的个数是(   ) (1) http://picflow.koolearn.com/upload/papers/20140823/20140823143649430277.gifhttp://picflow.koolearn.com/upload/papers/20140823/20140823143649446227.gif处连续  (2) http://picflow.koolearn.com/upload/papers/20140823/20140823143649462312.gif (3) http://picflow.koolearn.com/upload/papers/20140823/20140823143649477534.gif    (4) http://picflow.koolearn.com/upload/papers/20140823/20140823143649508543.gif

2021-08-04

A.没有

B.1

C.2

D.3

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